CHM1483-QFG Datasheet, PDF (6/10 Pages) United Monolithic Semiconductors – 12-16GHz Direct Quadrature Modulator

CHM1483-QFG 12-16GHz Direct Quadrature Modulator
Temperature Board Measurements
VD1 = VD2 = VD3 = +4V, Idq = 100mA
USB versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 200mVpp
P_LO = 0dBm
-20
-21
-40°C
-22
+25°C
+85°C
-23
-24
-25
-26
-27
-28
-29
-30
11
12
13
14
15
16
17
RF Frequency (GHz)
LSB Rejection versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 200mVpp
P_LO = 0dBm
50
45
40
35
30
25
20
15
10
-40°C
+25°C
5
+85°C
0
11
12
13
14
15
16
17
RF Frequency (GHz)
LO leakage versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 200mVpp
P_LO = 0dBm / V_{I_DC} = V_{Q_DC} = 0V
0
-5
-40°C
-10
+25°C
-15
+85°C
-20
-25
-30
-35
-40
-45
-50
-55
-60
-65
-70
11
12
13
14
15
16
17
RF Frequency (GHz)
LO cancelation versus RF Frequency
F_BB = 10MHz / V_BBI = V_BBQ = 200mVpp
P_LO = 0dBm / V_{I_DC} & V_{Q_DC} tuned
0
-5
-10
-40°C
-15
+25°C
-20
-25
+85°C
-30
-35
-40
-45
-50
-55
-60
-65
-70
-75
-80
11
12
13
14
15
16
17
RF Frequency (GHz)
Ref. : DSCHM1483-QFG1346 - 12 Dec 11
6/10
Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE
Tel.: [phone] - Fax: [phone]
Specifications subject to change without notice